In a binary operation defined on a set R of real number by a*b= a+b+ 2ab for all a, b,&R (1) is * commutative in R? (2) is * associative in R? (3) what is the identity element

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

The los angels ram scored 26, 30, 48, and 31 pts in their last four games. how many pts do they need to score in super bowl liii in order to have an exact mean average of 35 pts over five games. write and solve and equation. use x to represent the 5th game.

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]